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Finding the Fourth Proportional to 212,295.55, 292,968.36 and 116,808.40

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Solution

The fourth proportional to 212,295.55, 292,968.36 and 116,808.40 is: 161,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,295.55 : 292,968.36 = 116,808.40 : x
  2. Step 2: Convert to fraction form
    212,295.55/292,968.36 = 116,808.40/x
  3. Step 3: Cross multiply
    212,295.55x = 292,968.36 × 116,808.40
  4. Step 4: Simplify right side
    212,295.55x = 34,221,165,382.22
  5. Step 5: Solve for x
    x = 34,221,165,382.22/212,295.55
  6. Step 6: Final answer
    x = 161,195.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.